Home / 889,287.57-1,333,926.99-215,368.86

Finding the Fourth Proportional to 889,287.57, 1,333,926.99 and 215,368.86

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Solution

The fourth proportional to 889,287.57, 1,333,926.99 and 215,368.86 is: 323,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,287.57 : 1,333,926.99 = 215,368.86 : x
  2. Step 2: Convert to fraction form
    889,287.57/1,333,926.99 = 215,368.86/x
  3. Step 3: Cross multiply
    889,287.57x = 1,333,926.99 × 215,368.86
  4. Step 4: Simplify right side
    889,287.57x = 287,286,335,159.53
  5. Step 5: Solve for x
    x = 287,286,335,159.53/889,287.57
  6. Step 6: Final answer
    x = 323,052.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.